stack of laminations

例句：

1. 1.The books are neatly stacked onthe shelf.
   书整齐地堆放在书架上。
2. 2. The boxes were stacked in aneat row.
   箱子整齐地排成一行。
3. 3.The workers carefully stacked the cratesto load onto the truck.
   工人们小心翼翼地将纸箱堆起来装到卡车上。